Spiraea nervosa angustifolia - (Yatabe.)Ohwi.
(Yatabe.)Ohwi.
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Spiraea nervosa angustifolia is a deciduous Shrub growing to 1.5 m (5ft). See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from May to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.
Edible Uses
Tea. The leaves are used as a tea.
Distribution
E. Asia - China, Japan.
Where It Grows
Coming Soon
Cultivation
Tolerates most soils, but prefers a good loamy soil, abundant moisture and full sunlight. This species has not proved to be very hardy in Britain, it is often killed back to ground level in harsh winters but usually resprouts from the base. Hybridizes freely with other members of this genus.
Propagation
Seed - we have no information for this species but suggest sowing the seed as soon as it is ripe in a cold frame if possible. It is likely to require stratification before it germinates, so stored seed should be sown in a cold frame as early in the year as you receive it. Prick out the seedlings into individual pots when they are large enough to handle, and grow them on in a cold frame for their first winter. Plant them out in late spring or early summer of the following year. Cuttings of half-ripe wood, July/August in a light sandy soil a frame. Cuttings of mature wood of the current seasons growth, 15cm long, October/November in an outdoor frame. Another report says that September is a good time to do this. Division of suckers in early spring. They can be planted out straight into their permanent positions.
